// 2001:500:100::21 -> 2001:500:100::25
pub fn icmpv6_ping_egress() -> Vec<u8> {
    [
        0x00, 0x50, 0x56, 0x8a, 0x22, 0x80, 0x00, 0x50, 0x56, 0x8a, 0x0f, 0xe9, 0x86, 0xdd, 0x60,
        0x00, 0x00, 0x00, 0x00, 0x40, 0x3a, 0x40, 0x20, 0x01, 0x05, 0x00, 0x01, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x20, 0x01, 0x05, 0x00, 0x01, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x25, 0x80, 0x00, 0xc9, 0x2a, 0x0e, 0x20,
        0x00, 0x01, 0x1c, 0xcc, 0x53, 0x4f, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x03, 0x0f, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
        0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
        0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
    ]
    .to_vec()
}

pub fn icmpv6_ping_ingress() -> Vec<u8> {
    [
        0x00, 0x50, 0x56, 0x8a, 0x0f, 0xe9, 0x00, 0x50, 0x56, 0x8a, 0x22, 0x80, 0x86, 0xdd, 0x60,
        0x00, 0x00, 0x00, 0x00, 0x40, 0x3a, 0x40, 0x20, 0x01, 0x05, 0x00, 0x01, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x25, 0x20, 0x01, 0x05, 0x00, 0x01, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x81, 0x00, 0xc8, 0x2a, 0x0e, 0x20,
        0x00, 0x01, 0x1c, 0xcc, 0x53, 0x4f, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x03, 0x0f, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b,
        0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
        0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
    ]
    .to_vec()
}
